@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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48px);margin:0 auto;padding:20vh 0}.not-found h1{font-size:56px}.not-found p{color:var(--ink-soft)}@media (max-width:900px){.hero{grid-template-columns:1fr;padding-top:28px}.hero-visual{width:100%;max-width:620px}.tool-grid{grid-template-columns:repeat(2,1fr)}.principles,.about,.detail-grid{grid-template-columns:1fr;gap:40px}.about{padding:48px}.detail-grid{padding-top:45px}.pricing-chips,.toggle{margin-left:0}}@media (max-width:620px){.site-header,.hero,.tools-section,.principles,.about,.site-footer,.detail-nav,.detail-hero,.detail-grid{width:min(100% - 32px,1180px)}.site-header{height:65px}.site-header nav,.header-cta{display:none}.hero{min-height:auto;padding-block:48px}.hero h1{font-size:48px}.hero-text{font-size:15px}.hero-actions{flex-wrap:wrap;gap:16px}.hero-visual{height:335px}.hero-core{width:106px;height:106px}.hero-core 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@media (max-width:620px){.hero h1{font-size:42px;line-height:1.04}}